Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDpcT9XG4GR7JYj7JHd81jWcsFzxd9KXXg+lFRgXDztMW3G6Wj8PwKrnC22… (1,748 chars)"
  }
}